Species in captivity

Here we will discuss about species that aren't keep in captivity (or are rare/hard to keep):

Are a specie keep in captivity?
If yes, were it can be found?
If no, because this specie isn't keep in captivity?
It's possible to keep this specie in captivity?
How would be keep this specie in captivity?

If you look closely at the right upper corner of this website, you might be able to notice both a "Search" and an "Advanced Search" option. By entering any of the species and questions from your list, you will quickly find out that many of your questions have already been discussed and even answered in detail.

OP, I think people would've reacted better to this thread if you did just a little more research. Some of the animals you list, such as the Spix's macaw and the platypus, are kept in captivity. And some of the animals, the reason they're not kept in captivity is obvious. Baiji? Extinct. Humpback whale? Very large, captivity would be impractical. Even people within the zoo community debate whether current tanks for orcas are big enough, imagine the size of the enclosure you'd need to comfortably hold a humpback whale! Not to mention the feeding costs would be enormous. A humpback whale would surely attract a lot of guests, but I'm not sure it would make enough money to cover the costs.

OP, I think people would've reacted better to this thread if you did just a little more research. Some of the animals you list, such as the Spix's macaw and the platypus, are kept in captivity. And some of the animals, the reason they're not kept in captivity is obvious. Baiji? Extinct. Humpback whale? Very large, captivity would be impractical. Even people within the zoo community debate whether current tanks for orcas are big enough, imagine the size of the enclosure you'd need to comfortably hold a humpback whale! Not to mention the feeding costs would be enormous. A humpback whale would surely attract a lot of guests, but I'm not sure it would make enough money to cover the costs.

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As I said before, here we not only affirm if the specie is created in captivity or not, but also discuss how, why, when and where. I overdid it in the humpback whale, and that's why I want to discuss whether it is possible or not. But I don't think that's impossible to keep a minke whale in a huge tank, like in the Georgia Aquarium main tank. They have an approximate size of a orca or of a whale shark. Sea World has managed to keep a young gray whale for a short period. And the tank wasn't even large.

As I said before, here we not only affirm if the specie is created in captivity or not, but also discuss how, why, when and where. I overdid it in the humpback whale, and that's why I want to discuss whether it is possible or not. But I don't think that's impossible to keep a minke whale in a huge tank, like in the Georgia Aquarium main tank. They have an approximate size of a orca or of a whale shark. Sea World has managed to keep a young gray whale for a short period. And the tank wasn't even large.

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Minke whale, now THAT'S a discussion! I think there were a few attempts to keep them in Japan a pretty long time ago, but they didn't last long. Granted, this was early in the days of cetacean captivity so it's not like there was much chance of them lasting long regardless. I am pretty surprised there haven't been more recent attempts. (especially considering that Japan is still doing "research" minke whale hunts) A few years back there were talks of a "whale farm" opening in Taiji, whales (including minke whales and some dolphin species) would be raised not only for meat but visitors would have the chance to see and interact with them. But it seems the concept never went anywhere.

In the US during the 60's and 70's, people were experimenting with lots of different cetacean species for captivity. (a gray whale calf was captured, though eventually released) Minke whales were never attempted, as far as I know. Worth noting that which ceta species are kept in captivity has a lot to do with access. Most species you see captured for captivity are commonly seen in the wild. If you want to capture one, you'll generally need abundant and reliable sightings in an accessible place. (hence why you don't really see Antarctic species, even common ones) I'm not terribly knowledgable on minke whales, does anyone know if there are parts of the US coast where many are seen on a regular basis?

I am pretty surprised that Japan never attempted it again, a lot of their aquariums do like to experiment and it's not like they have a lot of legal barriers that would prevent capture and captivity. (shoot, whalers just got back from a "research" whaling hunt killing 333 minke whales)

Lok Kawi Wildlife Park is home to a group of Borneo Pygmy elephants and Oregon zoo has a single Borneo pygmy elephant
Cologne Zoo has had and might still have Saiga antelope
Auckland Zoo has and stilkept Kakapo as well
Many Australian zoos keep platypus.

For around two weeks in 1955 Izu-Mito Sea Paradise in Japan kept a Northern Minke Whale..the source for this information is Richard Weigl`s essential"Longevity of Mammals in Captivity"(2005).This book covers virtually all the mammalian species that have been kept in human care.

Someone could build an good aquarium in Japan to keep and research of some species, like minke whales, goblin sharks and frilled sharks. They already have tried to keep these animals, but in precarious conditions.